Page 1 MS911 4021-230 Service Manual • Start diagnostics • Maintenance • Safety and notices • Trademarks • Index June 18, 2014 www.lexmark.com P/N 12G3390...
Page 2: Parts Catalog
4021 Parts catalog Legend The following column headings are used in the parts catalog: • Asm‑index—Identifies the item in the illustration. • P/N—Identifies the unique part number that correlates with the part. • Units/mach—Refers to the number of units used in the printer. •...
Page 3: Assembly 1: Covers
4021 Assembly 1: Covers 1 Parts catalog...
Page 4 4021 Assembly 1: Covers 1 Asm-index Units/mach Units/FRU Description Removal procedure ‑‑ 40X9924 Standard bin ‑‑ 40X8901 Tray empty board cable ‑‑ 40X9758 Tray empty board mount ‑‑ 40X8903 Tray 1 empty indicator ‑‑ 40X8902 Tray empty board cover ‑‑ 40X8903 Tray 2 empty indicator ‑‑...
Page 5 4021 Assembly 2: Covers 2 Parts catalog...
Page 6 4021 Assembly 2: Covers 2 Asm-index Units/mach Units/FRU Description Removal procedure 40X8914 Bin side cover “Bin side cover removal” on page 330 ‑‑ 40X9591 Finisher interface cable 40X8908 Upper rear cover “Upper rear cover removal” on page 289 40X9762 Scanner interface cable “Scanner interface cable cover removal”...
Page 7 4021 Assembly 3: Covers 3 Parts catalog...
Page 8 4021 Assembly 3: Covers 3 Asm-index Units/mach Units/FRU Description Removal procedure ‑‑ 40X9018 Top cover 40X8967 Top side cover “Top side cover removal” on page 232 ‑‑ 40X9157 Top cover base ‑‑ 40X9038 Hole plug Parts catalog...
Page 9: Assembly 4: Inner Covers
4021 Assembly 4: Inner covers Parts catalog...
Page 10 4021 Assembly 4: Inner covers Asm-index Units/mach Units/FRU Description Removal procedure 40X8915 Waste toner bottle latch -- 40X8916 Front inner cover “Front inner cover removal” on page 274 40X9764 Waste toner door mount “Waste toner door mount removal” on page 275 40X8919 Lower front door strap 40X8917...
Page 11: Assembly 5: Control Panel
4021 Assembly 5: Control panel Parts catalog...
Page 12 4021 Assembly 5: Control panel Asm-index Units/mach Units/FRU Description Removal procedure ‑‑ 40X9662 Control panel 40X9965 USB port cover 40X9970 USB extension cable 40X9966 Speaker cover “Speaker cover removal” on page 284 40X9967 Control panel cable guide lower cover -- 40X9969 Control panel cable guide upper cover -- 40X9968...
Page 13: Assembly 6: Printhead
4021 Assembly 6: Printhead Parts catalog...
Page 14 4021 Assembly 6: Printhead Asm-index Units/mach Units/FRU Description Removal procedure 40X8944 Transfer belt fan duct 40X8945 Transfer belt fan “Transfer belt fan removal” on page 329 40X8946 Image controller board “Image controller board removal” on page 275 40X9188 Ozone filter duct 40X8949 Printhead (MFP) “Printhead removal”...
Page 15 4021 Assembly 7: Toner supply 1 Parts catalog...
Page 16 4021 Assembly 7: Toner supply 1 Asm-index Units/mach Units/FRU Description Removal procedure 40X9313 Sensor (top front door) “Sensor (top front door) removal” on page 278 40X9750 Toner cartridge relay “Toner agitator removal” on page 282 contact cable 40X8962 Toner cartridge contact “Toner agitator removal”...
Page 17 4021 Assembly 8: Toner supply 2 Parts catalog...
Page 18 4021 Assembly 8: Toner supply 2 Asm-index Units/mach Units/FRU Description Removal procedure 40X8957 Toner supply motor cable 40X8956 Motor (toner supply) “Motor (toner supply) removal” on page 279 40X9751 Toner cartridge present sensor cable 40X8869 Sensor (toner cartridge present) “Sensor (toner cartridge present) removal”...
Page 19: Assembly 9: Waste Toner
4021 Assembly 9: Waste toner Parts catalog...
Page 20 4021 Assembly 9: Waste toner Asm-index Units/mach Units/FRU Description Removal procedure 40X8958 Waste toner drive “Waste toner drive removal” on page 280 40X8959 Waste toner duct Parts catalog...
Page 21: Assembly 10: Developer
4021 Assembly 10: Developer Parts catalog...
Page 22 4021 Assembly 10: Developer Asm-index Units/mach Units/FRU Description Removal procedure 40X8960 Erase LED 40X9977 Erase LED cable 40X9936 Developer unit “Developer unit removal” on page 283 Parts catalog...
Page 23: Assembly 11: Photoconductor Lock
4021 Assembly 11: Photoconductor lock Parts catalog...
Page 24 4021 Assembly 11: Photoconductor lock Asm-index Units/mach Units/FRU Description Removal procedure 40X8962 Photoconductor relay contact 40X9978 Photoconductor release lever 40X8961 Photoconductor cable Parts catalog...
Page 25: Assembly 12: Transfer Belt
4021 Assembly 12: Transfer belt Parts catalog...
Page 26 4021 Assembly 12: Transfer belt Asm-index Units/mach Units/FRU Description Removal procedure 40X8963 Transfer belt cable 40X9704 Imaging unit maintenance kit 40X9979 Transfer belt paper guide Parts catalog...
Page 27: Assembly 13: Tray 1 And 2 Transport
4021 Assembly 13: Tray 1 and 2 transport Parts catalog...
Page 28 4021 Assembly 13: Tray 1 and 2 transport Asm-index Units/mach Units/FRU Description Removal procedure 40X9980 Tray 2 transport drive gear 40X8966 Tray 1 and 2 paper feed unit Parts catalog...
Page 29: Assembly 14: Tray 1 Feed
4021 Assembly 14: Tray 1 feed Parts catalog...
Page 30 4021 Assembly 14: Tray 1 feed Asm-index Units/mach Units/FRU Description Removal procedure 40X8971 Tray 1 paper feed clutch 40X8972 Tray 1 sensor cables 40X8869 Sensor (tray 1 lift plate level) 40X9899 Tray empty sensor actuator 40X8968 Sensor (tray 1 paper feed) 40X8869 Sensor (tray 1 empty) 40X8970...
Page 31: Assembly 15: Tray 1 Separator
4021 Assembly 15: Tray 1 separator Parts catalog...
Page 32 4021 Assembly 15: Tray 1 separator Asm-index Units/mach Units/FRU Description Removal procedure 40X9455 Roller clutch 40X8970 Separator roller 40X9927 Separator roller assembly Parts catalog...
Page 33: Assembly 16: Tray 2 Feed
4021 Assembly 16: Tray 2 feed Parts catalog...
Page 34 4021 Assembly 16: Tray 2 feed Asm-index Units/mach Units/FRU Description Removal procedure 40X9983 Tray 2 transport roller 40X9984 Tray 2 transport sensor cable 40X8968 Sensor (tray 2 transport) 40X8968 Sensor (tray 2 paper feed) 40X9899 Tray 2 empty sensor actuator 40X8970 Feed roller 40X9981...
Page 35: Assembly 17: Tray 2 Separator
4021 Assembly 17: Tray 2 separator Parts catalog...
Page 36 4021 Assembly 17: Tray 2 separator Asm-index Units/mach Units/FRU Description Removal procedure 40X9455 Roller clutch 40X8970 Separator roller 40X9927 Separator roller assembly Parts catalog...
Page 37: Assembly 18: Tray Rail
4021 Assembly 18: Tray rail Parts catalog...
Page 38 4021 Assembly 18: Tray rail Asm-index Units/mach Units/FRU Description Removal procedure 40X8978 Rear right lift handle 40X8977 Front right lift handle 40X8982 Tray 1 insert rail 40X8982 Tray 2 insert rail 40X9305 Tray left rail guide wheel 40X8981 Tray right rail guide wheel 40X9989 Tray stopper 40X8979...
Page 39: Assembly 19: Tray Paper Detection
4021 Assembly 19: Tray paper detection Parts catalog...
Page 40 4021 Assembly 19: Tray paper detection Asm-index Units/mach Units/FRU Description Removal procedure 40X8988 Tray size sensing assembly 40X8984 Tray 1 feed cable 40X8987 Motor (tray 1 lift) 40X8869 Sensor (tray 1 near empty) 40X8989 Sensor (tray 1 paper width) 40X8987 Motor (tray 2 lift) 40X8869 Sensor (tray 2 near empty)
Page 41 4021 Assembly 20: Tray insert 1 Parts catalog...
Page 42 4021 Assembly 20: Tray insert 1 Asm-index Units/mach Units/FRU Description Removal procedure 40X9305 Tray insert guide wheel 40X8990 Tray 1 insert 40X9925 Pick roller 40X8970 Feed/separator roller Parts catalog...
Page 43 4021 Assembly 21: Tray insert 2 Parts catalog...
Page 44 4021 Assembly 21: Tray insert 2 Asm-index Units/mach Units/FRU Description Removal procedure 40X9308 Tray near empty sensor actuator 40X9306 Tray paper length guide Parts catalog...
Page 45 4021 Assembly 22: Tray insert 3 Parts catalog...
Page 46 4021 Assembly 22: Tray insert 3 Asm-index Units/mach Units/FRU Description Removal procedure 40X9305 Tray insert guide wheel 40X8992 Tray 2 insert 40X9925 Pick roller 40X8970 Feed/separator roller Parts catalog...
Page 47: Assembly 23: Registration Transport
4021 Assembly 23: Registration transport Parts catalog...
Page 48 4021 Assembly 23: Registration transport Asm-index Units/mach Units/FRU Description Removal procedure 40X8994 Registration transport assembly “Registration transport assembly” on page 231 40X9706 Registration primary gear 40X9707 Registration secondary gear 40X9009 Registration roller fixed power resistor -- 40X9007 Registration cable 40X8998 Toner density solenoid 40X8997 Sensor (registration humidity)
Page 49: Assembly 24: Transfer
4021 Assembly 24: Transfer Parts catalog...
Page 50 4021 Assembly 24: Transfer Asm-index Units/mach Units/FRU Description Removal procedure 40X9011 Registration unit assembly “Registration unit assembly removal” on page 263 40X9990 Fusing speed sensor cable -- 40X9009 Fuser fixed power resistor -- 40X8869 Sensor (fusing speed) “Sensor (fusing speed) removal” on page 40X9010 Transfer roller “Transfer roller removal”...
Page 51: Assembly 25: Registration Unit
4021 Assembly 25: Registration unit Parts catalog...
Page 52 4021 Assembly 25: Registration unit Asm-index Units/mach Units/FRU Description Removal procedure 40X9012 Registration unit gear “Registration unit gears removal” on page 270 40X9992 Registration unit lock “Registration unit lock removal” on page 40X9993 Registration unit lock shaft “Registration unit lock removal” on page 40X9994 Registration unit handle “Registration unit lock removal”...
Page 53: Assembly 26: Right Door Transport
4021 Assembly 26: Right door transport Parts catalog...
Page 54 4021 Assembly 26: Right door transport Asm-index Units/mach Units/FRU Description Removal procedure 40X9019 Right door upper lock “Right door lock removal” on page 245 40X9020 Right door switch actuator “Right door switch actuator removal” on page 262 40X9711 Right door handle 40X9713 Right door lower lock “Right door lock removal”...
Page 55 4021 Assembly 27: MPF 1 Parts catalog...
Page 56 4021 Assembly 27: MPF 1 Asm-index Units/mach Units/FRU Description Removal procedure 40X9027 “MPF removal” on page 247 40X9716 MPF lift plate sensor cable -- 40X9996 MPF lift plate cam 40X9995 MPF feed roller “MPF feed/separator assembly” on page 40X9719 MPF feed clutch gear “MPF gears removal”...
Page 57 4021 Assembly 28: MPF 2 Parts catalog...
Page 58 4021 Assembly 28: MPF 2 Asm-index Units/mach Units/FRU Description Removal procedure 40X8869 Sensor (MPF paper length 1) “Sensor (MPF paper length) removal” on page 249 40X9026 MPF paper length 1 sensor actuator -- 40X9026 MPF paper length 2 sensor actuator -- 40X8869 Sensor (MPF paper length 2) “Sensor (MPF paper length)
Page 59 4021 Assembly 29: Duplex 1 Parts catalog...
Page 60 4021 Assembly 29: Duplex 1 Asm-index Units/mach Units/FRU Description Removal procedure 40X9031 Duplex transport assembly “Duplex transport assembly removal” on page 235 40X9997 Right door cover 40X9998 Duplex transport jam “Duplex transport jam removal knob removal knob removal” on page 236 40X9012 Duplex transport gear “Duplex transport gears removal”...
Page 61 4021 Assembly 30: Duplex 2 Parts catalog...
Page 62 4021 Assembly 30: Duplex 2 Asm-index Units/mach Units/FRU Description Removal procedure 40X9723 Fuser exit sensor cable 40X8869 Sensor (fuser exit) “Sensor (fuser exit) removal” on page 40X9039 Fuser exit sensor actuator “Fuser exit sensor actuator removal” on page 238 40X9999 Redrive diverter gear 40X8869 Sensor (duplex pass through...
Page 63: Assembly 31: Fuser
4021 Assembly 31: Fuser Parts catalog...
Page 64 4021 Assembly 31: Fuser Asm-index Units/mach Units/FRU Description Removal procedure 40X9046 Fuser “Fuser removal” on page 230 40X9044 Induction heater (100 V) “Induction heater removal” on page 230 40X9045 Induction heater (230 V) “Induction heater removal” on page 230 40X9047 Sensor (fuser temperature) with cable 40X9041...
Page 65 4021 Assembly 32: Exit 1 Parts catalog...
Page 66 4021 Assembly 32: Exit 1 Asm-index Units/mach Units/FRU Description Removal procedure 40X9167 Redrive exit guide 40X9313 Sensor (redrive exit) 40X9644 Redrive exit sensor cable 40X9714 Redrive exit sensor actuator -- 40X9042 HPT bin paper bail 40X9313 Sensor (exit) 40X9599 Exit sensor cable 40X9484 Exit sensor actuator 40X8974...
Page 67 4021 Assembly 33: Exit 2 Parts catalog...
Page 68 4021 Assembly 33: Exit 2 Asm-index Units/mach Units/FRU Description Removal procedure 40X9159 Exit guide assembly 40X9161 Diverter solenoid Parts catalog...
Page 69: Assembly 34: Main And Feed Drive
4021 Assembly 34: Main and feed drive Parts catalog...
Page 70 4021 Assembly 34: Main and feed drive Asm-index Units/mach Units/FRU Description Removal procedure 40X9164 Main drive assembly “Main drive assembly removal” on page 319 40X9564 Motor (developer) “Motor (developer) removal” on page 40X9163 Motor (transport) “Motor (transport) removal” on page 40X9166 Duplex transport clutch “Duplex transport clutch removal”...
Page 71: Assembly 35: Toner Cartridge Drive
4021 Assembly 35: Toner cartridge drive Parts catalog...
Page 72 4021 Assembly 35: Toner cartridge drive Asm-index Units/mach Units/FRU Description Removal procedure 40X9223 Toner cartridge drive “Toner cartridge drive assembly removal” on assembly page 322 40X9179 Motor (toner cartridge) “Motor (toner cartridge) removal” on page 302 Parts catalog...
Page 73 4021 Assembly 36: Fuser drive 1 Parts catalog...
Page 74 4021 Assembly 36: Fuser drive 1 Asm-index Units/mach Units/FRU Description Removal procedure 40X9177 Fuser drive gearbox “Fuser drive gearbox removal” on page 325 40X9729 Fuser pressure primary gear 40X9730 Fuser pressure secondary gear -- 40X9731 Fuser transport primary gear 40X9732 Fuser transport secondary gear -- Parts catalog...
Page 75 4021 Assembly 37: Fuser drive 2 Parts catalog...
Page 76 4021 Assembly 37: Fuser drive 2 Asm-index Units/mach Units/FRU Description Removal procedure 40X9179 Motor (fuser pressure) “Motor (fuser pressure) removal” on page 298 40X9163 Motor (fuser) “Motor (fuser) removal” on page 324 40X9178 Fuser exit clutch Parts catalog...
Page 77: Assembly 38: Ozone Duct
4021 Assembly 38: Ozone duct Parts catalog...
Page 78 4021 Assembly 38: Ozone duct Asm-index Units/mach Units/FRU Description Removal procedure 40X9184 Exhaust filter 40X8859 Toner suction fan “Toner suction fan removal” on page 327 40X9183 Ozone filter 40X9185 Ozone fan “Ozone fan removal” on page 316 40X9182 Ozone fan with duct “Ozone fan removal”...
Page 79: Assembly 39: High Voltage
4021 Assembly 39: High voltage Parts catalog...
Page 80 4021 Assembly 39: High voltage Asm-index Units/mach Units/FRU Description Removal procedure 40X9189 Power‑saving board “Power‑saving board removal” on page 295 40X9198 Induction heater magnetic erase “Induction heater magnetic erase board board (IHMEB) removal” on page 291 40X8945 Fuser power supply fan “Fuser power supply fan removal”...
Page 81: Assembly 40: Main Power Supply
4021 Assembly 40: Main power supply Parts catalog...
Page 82 4021 Assembly 40: Main power supply Asm-index Units/mach Units/FRU Description Removal procedure 40X9203 Main power supply, 100 V “Main power supply removal” on page 40X9204 Main power supply, 230 V “Main power supply removal” on page 40X9205 Main power supply fan with “Main power supply fan removal”...
Page 83 4021 Assembly 41: Electrical 1 Parts catalog...
Page 84 4021 Assembly 41: Electrical 1 Asm-index Units/mach Units/FRU Description Removal procedure 40X9741 Power socket 40X9402 Power socket mount 40X9740 Power socket cable Parts catalog...
Page 85 4021 Assembly 42: Electrical 2 Parts catalog...
Page 86 4021 Assembly 42: Electrical 2 Asm-index Units/mach Units/FRU Description Removal procedure 40X9207 Engine controller board “Engine controller board removal” on page 296 40X9744 Engine controller board FFC -- 40X9664 Controller board (SFP) “Controller board removal” on page 298 40X9209 Controller board fan “Controller board fan removal”...
Page 87: Assembly 43: 2 X 500-Sheet Tray-Covers
4021 Assembly 43: 2 x 500‑sheet tray—Covers Parts catalog...
Page 88 4021 Assembly 43: 2 x 500‑sheet tray—Covers Asm-index Units/opt Units/FRU Description Removal procedure 40X9779 2 x 500-sheet tray rear right “2 x 500-sheet tray rear right cover cover removal” on page 376 40X9285 2 x 500-sheet tray bottom right “2 x 500-sheet tray bottom right cover cover removal”...
Page 89: Assembly 44: 2 X 500-Sheet Tray-Frame
4021 Assembly 44: 2 x 500‑sheet tray—Frame Parts catalog...
Page 90 4021 Assembly 44: 2 x 500‑sheet tray—Frame Asm-index Units/opt Units/FRU Description Removal procedure 40X8981 2 x 500-sheet tray right rail guide wheel -- ‑‑ 40X9014 2 x 500-sheet tray insert stopper 40X9305 2 x 500-sheet tray left rail guide wheel 40X9290 2 x 500-sheet tray controller board “2 x 500-sheet tray controller...
Page 91: Assembly 45: 2 X 500-Sheet Tray-Paper Feed
4021 Assembly 45: 2 x 500‑sheet tray—Paper feed Parts catalog...
Page 92 4021 Assembly 45: 2 x 500‑sheet tray—Paper feed Asm-index Units/opt Units/FRU Description Removal procedure 40X9294 2 x 500-sheet tray feed and “2 x 500-sheet tray 3 transport belts and gears transport motor belt removal” on page 382 “2 x 500-sheet tray 4 transport belts and gears removal”...
Page 93: Assembly 46: 2 X 500-Sheet Tray-Paper Size Detection
4021 Assembly 46: 2 x 500‑sheet tray—Paper size detection Parts catalog...
Page 94 4021 Assembly 46: 2 x 500‑sheet tray—Paper size detection Asm-index Units/opt Units/FRU Description Removal procedure 40X8987 Motor (2 x 500-sheet tray 3 lift) “Motor (2 x 500-sheet tray lift) removal” on page 370 40X8869 Sensor (2 x 500-sheet tray 3 near “Sensor (2 x 500-sheet tray near empty) empty) removal”...
Page 95: Assembly 47: 2 X 500-Sheet Tray-Paper Transport
4021 Assembly 47: 2 x 500‑sheet tray—Paper transport Parts catalog...
Page 96 4021 Assembly 47: 2 x 500‑sheet tray—Paper transport Asm-index Units/opt Units/FRU Description Removal procedure 40X9908 2 x 500-sheet tray jam access door strap 40X8973 Transport idler roller Parts catalog...
Page 97 4021 Assembly 48: 2 x 500‑sheet tray—Paper pick 1 Parts catalog...
Page 98 4021 Assembly 48: 2 x 500‑sheet tray—Paper pick 1 Asm-index Units/opt Units/FRU Description Removal procedure 40X9313 Sensor (2 x 500-sheet tray jam access door) “Sensor (2 x 500-sheet tray jam access door) removal” on page 360 40X9892 2 x 500-sheet tray transport gear spring 40X9893 2 x 500-sheet tray transport gear bushing 40X9894...
Page 99 4021 Assembly 49: 2 x 500‑sheet tray—Paper pick 2 Parts catalog...
Page 100 4021 Assembly 49: 2 x 500‑sheet tray—Paper pick 2 Asm-index Units/opt Units/FRU Description Removal procedure 40X8968 Sensor (2 x 500-sheet tray 3 or 4 “Sensor (2 x 500-sheet tray transport) transport) removal” on page 381 40X8968 Sensor (2 x 500-sheet tray 3 or 4 “2 x 500-sheet tray transport assembly feed) sensors removal”...
Page 101 4021 Assembly 50: 2 x 500‑sheet tray—Paper pick 3 Parts catalog...
Page 102 4021 Assembly 50: 2 x 500‑sheet tray—Paper pick 3 Asm-index Units/opt Units/FRU Description Removal procedure 40X9455 Separator clutch 40X8970 Separator roller “2 x 500-sheet tray rollers removal” on page 366 Parts catalog...
Page 103 4021 Assembly 51: 2 x 500‑sheet tray—Tray 3 Parts catalog...
Page 104 4021 Assembly 51: 2 x 500‑sheet tray—Tray 3 Asm-index Units/opt Units/FRU Description Removal procedure ‑‑ 40X9635 2 x 500-sheet tray 3 insert 40X9304 2 x 500-sheet tray lock lever “Tray lock removal” on page 364 40X9017 2 x 500-sheet tray 3 right front cover 40X9034 2 x 500-sheet tray 3 handle cover 40X9186...
Page 105 4021 Assembly 52: 2 x 500‑sheet tray—Tray 4 Parts catalog...
Page 106 4021 Assembly 52: 2 x 500‑sheet tray—Tray 4 Asm-index Units/opt Units/FRU Description Removal procedure ‑‑ 40X9697 2 x 500‑sheet tray 4 insert 40X9304 2 x 500-sheet tray lock lever “Tray lock removal” on page 364 40X9033 2 x 500-sheet tray 4 right front cover 40X9320 2 x 500-sheet tray 4 handle cover 40X9186...
Page 107: Assembly 53: 2 X 500-Sheet Tray-Tray 3 Or Tray 4 Frame
4021 Assembly 53: 2 x 500‑sheet tray—Tray 3 or Tray 4 frame Parts catalog...
Page 108 4021 Assembly 53: 2 x 500‑sheet tray—Tray 3 or Tray 4 frame Asm-index Units/opt Units/FRU Description Removal procedure 40X9308 2 x 500-sheet tray near empty sensor actuator 40X9306 Tray insert paper length guide “Tray insert paper length guide removal” on page 362 40X9309 2 x 500-tray insert paper length sensor actuator...
Page 109: Assembly 54: 3000-Sheet Tray-Covers
4021 Assembly 54: 3000‑sheet tray—Covers Parts catalog...
Page 110 4021 Assembly 54: 3000‑sheet tray—Covers Asm-index Units/opt Units/FRU Description Removal procedure 40X9260 3000-sheet tray top door “3000-sheet tray door removal” on page 394 40X9255 3000-sheet tray right cover “3000-sheet tray right cover removal” on page 392 40X8903 3000-sheet tray empty LED “3000-sheet tray empty LED removal”...
Page 111 4021 Assembly 55: 3000‑sheet tray—Frame 1 Parts catalog...
Page 112 4021 Assembly 55: 3000‑sheet tray—Frame 1 Asm-index Units/opt Units/FRU Description Removal procedure 40X9279 3000-sheet tray caster wheel “3000-sheet tray caster wheel removal” on page 389 Parts catalog...
Page 113 4021 Assembly 56: 3000‑sheet tray—Frame 2 Parts catalog...
Page 114 4021 Assembly 56: 3000‑sheet tray—Frame 2 Asm-index Units/opt Units/FRU Description Removal procedure 40X9261 Dehumidifier “Dehumidifier removal” on page 396 Parts catalog...
Page 115: Assembly 57: 3000-Sheet Tray-Elevator Front Section
4021 Assembly 57: 3000‑sheet tray—Elevator front section Parts catalog...
Page 116 4021 Assembly 57: 3000‑sheet tray—Elevator front section Asm-index Units/opt Units/FRU Description Removal procedure 40X9275 3000-sheet tray release “3000-sheet tray release handle removal” on handle page 390 40X9276 3000-sheet tray elevator “3000-sheet tray elevator spring removal” on spring page 400 Parts catalog...
Page 117 4021 Assembly 58: 3000‑sheet tray—Paper feed 1 Parts catalog...
Page 118 4021 Assembly 58: 3000‑sheet tray—Paper feed 1 Asm-index Units/opt Units/FRU Description Removal procedure 40X9886 3000-sheet tray feed and “3000-sheet tray pick roller assembly pick drive gear removal” on page 410 40X9267 Feed and pick roller “3000-sheet tray rollers removal” on page 385 40X9881 3000-sheet tray empty...
Page 119 4021 Assembly 59: 3000‑sheet tray—Paper feed 2 Parts catalog...
Page 120 4021 Assembly 59: 3000‑sheet tray—Paper feed 2 Asm-index Units/opt Units/FRU Description Removal procedure 40X9880 Sensor (3000-sheet tray “Sensor (3000-sheet tray elevator level) elevator level) removal” on page 398 40X9880 Sensor (3000-sheet tray “Sensor (3000-sheet tray empty) removal” empty) on page 397 40X9267 3000-sheet tray separator “3000-sheet tray feed roller assembly...
Page 121: Assembly 60: 3000-Sheet Tray-Paper Transport
4021 Assembly 60: 3000‑sheet tray—Paper transport Parts catalog...
Page 122 4021 Assembly 60: 3000‑sheet tray—Paper transport Asm-index Units/opt Units/FRU Description Removal procedure 40X9273 3000-sheet tray transport “3000-sheet tray feed roller assembly roller removal” on page 407 40X9885 Sensor (3000-sheet tray “Sensor (3000-sheet tray feed) removal” on feed) page 399 40X9790 Spring “3000-sheet tray feed roller assembly removal”...
Page 123: Assembly 61: 3000-Sheet Tray-Elevator Rear Section
4021 Assembly 61: 3000‑sheet tray—Elevator rear section Parts catalog...
Page 124 4021 Assembly 61: 3000‑sheet tray—Elevator rear section Asm-index Units/opt Units/FRU Description Removal procedure 40X9277 3000-sheet tray elevator release spring Parts catalog...
Page 125: Assembly 62: 3000-Sheet Tray-Drive Section
4021 Assembly 62: 3000‑sheet tray—Drive section Parts catalog...
Page 126 4021 Assembly 62: 3000‑sheet tray—Drive section Asm-index Units/opt Units/FRU Description Removal procedure 40X9262 3000-sheet tray controller “3000-sheet tray controller board removal” board on page 400 40X9266 3000‑sheet tray door switch “3000-sheet tray door switch removal” on page 401 40X9880 Sensor (3000-sheet tray near “Sensor (3000-sheet tray near empty) empty 1) removal”...
Page 127: Assembly 63: 3000-Sheet Tray-Wiring
4021 Assembly 63: 3000‑sheet tray—Wiring Asm-index Units/opt Units/FRU Description Removal procedure 40X9202 3000-sheet tray controller board cable 40X9698 3000-sheet tray interface cable Parts catalog...
Page 128 4021 Parts catalog...
Page 129: Assembly 64: 2500-Sheet Tray Covers
4021 Assembly 64: 2500-sheet tray covers Parts catalog...
Page 130 4021 Assembly 64: 2500-sheet tray covers Asm-index Units/opt Units/FRU Description Removal procedure 40X9280 2500-sheet tray rear cover “2500-sheet tray rear cover removal” on page 335 40X9779 2500-sheet tray rear right “2500-sheet tray rear right cover removal” on cover page 335 40X9285 2500-sheet tray bottom “2500-sheet tray lower right cover removal”...
Page 131: Assembly 65: 2500-Sheet Tray Frame
4021 Assembly 65: 2500-sheet tray frame Parts catalog...
Page 132 4021 Assembly 65: 2500-sheet tray frame Asm-index Units/opt Units/FRU Description Removal procedure 40X8869 Sensor (2500-sheet tray set) 40X8981 Tray rail guide wheel 40X9784 Tray insert guide wheel 40X9785 2500-sheet tray controller board “2500-sheet tray controller board removal” on page 332 40X9783 2500-sheet tray interface cable Parts catalog...
Page 133: Assembly 66: 2500-Sheet Tray Paper Feed
4021 Assembly 66: 2500-sheet tray paper feed Parts catalog...
Page 134 4021 Assembly 66: 2500-sheet tray paper feed Asm-index Units/opt Units/FRU Description Removal procedure 40X9293 Motor (2500-sheet tray feed) “Motor (2500‑sheet tray feed) removal” on page 349 40X9293 Motor (2500-sheet tray transport) “Motor (2500‑sheet tray transport) removal” on page 351 40X9294 2500-sheet tray feed and transport motor belt 40X9891...
Page 135: Assembly 67: 2500-Sheet Tray Paper Transport
4021 Assembly 67: 2500-sheet tray paper transport Parts catalog...
Page 136 4021 Assembly 67: 2500-sheet tray paper transport Asm-index Units/opt Units/FRU Description Removal procedure 40X9908 2500-sheet tray jam access door “2500-sheet tray jam access door strap strap removal” on page 344 40X8973 Transport idler roller Parts catalog...
Page 137 4021 Assembly 68: 2500-sheet tray paper pick 1 Parts catalog...
Page 138 4021 Assembly 68: 2500-sheet tray paper pick 1 Asm-index Units/opt Units/FRU Description Removal procedure 40X9298 2500-sheet tray transport gear 40X9892 2500-sheet tray transport gear spring 40X9893 2500-sheet tray transport gear bushing 40X9313 Sensor (2500-sheet tray jam access door) “Sensor (2500‑sheet tray jam access door) removal”...
Page 139 4021 Assembly 69: 2500-sheet tray paper pick 2 Parts catalog...
Page 140 4021 Assembly 69: 2500-sheet tray paper pick 2 Asm-index Units/opt Units/FRU Description Removal procedure 40X9299 2500-sheet tray transport roller “2500‑sheet tray transport roller removal” on page 341 40X8968 Sensor (2500-sheet tray feed) “Sensor (2500‑sheet tray feed) removal” on page 356 40X8968 Sensor (2500-sheet tray transport) “Sensor (2500‑sheet tray transport)
Page 141 4021 Assembly 70: 2500-sheet tray paper pick 3 Parts catalog...
Page 142 4021 Assembly 70: 2500-sheet tray paper pick 3 Asm-index Units/opt Units/FRU Description Removal procedure 40X9455 Separator clutch 40X8970 Separator roller Parts catalog...
Page 143 4021 Assembly 71: 2500-sheet tray insert 1 Parts catalog...
Page 144 4021 Assembly 71: 2500-sheet tray insert 1 Asm-index Units/opt Units/FRU Description Removal procedure 40X9602 2500-sheet tray insert (LTR) 40X9576 2500-sheet tray insert (A4) 40X9789 2500-sheet tray front cover 40X9339 2500-sheet tray right front cover 40X9320 2500-sheet tray handle cover 40X9186 2500-sheet tray handle 40X9788 2500-sheet tray lock lever...
Page 145 4021 Assembly 72: 2500-sheet tray insert 2 Parts catalog...
Page 146 4021 Assembly 72: 2500-sheet tray insert 2 Asm-index Units/opt Units/FRU Description Removal procedure 40X9794 Paper stack transfer sensor actuator spring 40X8869 Sensor (main tray near empty) “Sensor (2500‑sheet tray main tray near empty) removal” on page 355 40X9792 Paper stack transfer guide “2500-sheet tray paper stack transfer guide removal”...
Page 147 4021 Assembly 73: 2500-sheet tray insert 3 Parts catalog...
Page 148 4021 Assembly 73: 2500-sheet tray insert 3 Asm-index Units/opt Units/FRU Description Removal procedure 40X9796 Transfer guide primary gear 40X9798 Main tray elevator coupling 40X9901 Main tray elevator gear spring 40X9902 Main tray elevator gear 40X9797 Transfer guide primary gear spring 40X9795 Transfer guide secondary gear Parts catalog...
Page 149 4021 Assembly 74: 2500-sheet tray insert 4 Parts catalog...
Page 150 4021 Assembly 74: 2500-sheet tray insert 4 Asm-index Units/opt Units/FRU Description Removal procedure 40X9802 2500-sheet tray empty sensor “2500‑sheet tray empty sensor actuator actuator removal” on page 337 40X9801 2500-sheet tray elevator home “2500‑sheet tray elevator home sensor sensor actuator actuator removal”...
Page 151: Assembly 75: Maintenance Kits
4021 Assembly 75: Maintenance kits Asm-index Units/mach Units/FRU Description Removal procedure ‑‑ 40X9669 Maintenance kit, 300K—includes: • Pick roller • Feed/separator roller • Imaging unit maintenance kit ‑‑ 40X9673 Maintenance kit, 200K—MPF includes: • MPF feed roller • MPF separator roller Parts catalog...
Page 152 4021 Parts catalog...
Page 153: Assembly 76: Miscellaneous
4021 Assembly 76: Miscellaneous Asm-index Units/mach Units/FRU Description Removal procedure 41X0007 Forms and Bar code card 41X0009 IPDS card 41X0008 PRESCRIBE card 41X0030 Keyboard kit, English 41X0031 Keyboard kit, French 41X0032 Keyboard kit, Italian 41X0033 Keyboard kit, German 41X0034 Keyboard kit, Spanish Parts catalog...

Lexmark MS911 Service Manual

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